class Source:
    DATE_START = "date_start"
    DATE_END = "date_end"
    MATERIALS = "materials"
    MATERIALS_EXCEPT = "materials_except"
    MODEL_EXCEPT = "model_except"
    MODEL = "model"
    SN = "sn"
    SN_EXCEPT = "sn_except"
    SOURCE_TYPE = "source_type"
    FRAMEWORK = "framework_type"


class FileSource(Source):
    FILE_TYPE = "file_type"
    FILE_PATH = "file_path"


class SqlSource(Source):
    DAY_COUNT = 'day_count'
    DAYS = "days"
    TABLE = "table"


class AlgorithmsParam:
    NAME = "name"
